A moist northwest flow interacted with a frontal boundary producing areas of heavy snow across parts of Southwest Idaho.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS BOI wrote it up.
A moist northwest flow interacted with a frontal boundary producing areas of heavy snow across parts of Southwest Idaho.
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
The National Weather Service in Boise measured six inches of new snow from the evening of the 22nd through the morning of the 23rd and received numerous reports of four to five inches from the public.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2017Every state in 2017This day in weather historyWarnings in Idaho, December 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 726710.